instances - Lists all instances or the instances associated with a Filter or Volume %1 instances -f filterName ]|[-v volumeName ...

    instances -- Lists all instances or the instances associated with a
                 Filter or Volume

    %1 instances [-f filterName ]|[-v volumeName ]

        The -f flag denotes that the instances associated with the filter
        identified by filterName should be listed

        The -v flag denotes that the instances associated with the volume
        identified by volumeName should be listed

        The full information on each instance will be listed